HR can be measure by counting the number of pulses in a specified time period at one of several locations, including the radial and carotid arteries. Which of the following is a special precaution when taking the carotid pulse?
a. when the HR is measured by palpation, the first two fingers should be used and not the thumb, because the thumb has its own pulse
b. HR taken during exercise sometimes exceed 200 bpm, making it too difficult to count at the carotid artery
c. If the HR is taken at the carotid artery, do not press too hard or a reflex slowing of the heart can occur and cause dizziness.
d. the HR should never be taken at the carotid artery
Answer: c. If the HR is taken at the carotid artery, do not press too hard or a reflex slowing of the heart can occur and cause dizziness.